+2004-05-27 Bryce McKinlay <mckinlay@redhat.com>
+
+ * except.c: Revert change of 2004-05-26.
+ * config/i386/i386.md: Revert change of 2004-05-27.
+
2004-05-27 Bryce McKinlay <mckinlay@redhat.com>
* configure.ac: Remove --enable-tree-browser option.
; REP instruction
(UNSPEC_REP 75)
-
- (UNSPEC_EH_RETURN 76)
])
(define_constants
[(UNSPECV_BLOCKAGE 0)
+ (UNSPECV_EH_RETURN 13)
(UNSPECV_EMMS 31)
(UNSPECV_LDMXCSR 37)
(UNSPECV_STMXCSR 40)
""
{
rtx tmp, sa = EH_RETURN_STACKADJ_RTX, ra = operands[0];
- rtx jmp;
/* Tricky bit: we write the address of the handler to which we will
be returning into someone else's stack frame, one word below the
emit_move_insn (tmp, ra);
if (Pmode == SImode)
- jmp = emit_jump_insn (gen_eh_return_si (sa));
+ emit_insn (gen_eh_return_si (sa));
else
- jmp = emit_jump_insn (gen_eh_return_di (sa));
- REG_NOTES (jmp) = alloc_EXPR_LIST (REG_NON_LOCAL_GOTO, const0_rtx,
- REG_NOTES (jmp));
+ emit_insn (gen_eh_return_di (sa));
emit_barrier ();
DONE;
})
(define_insn_and_split "eh_return_si"
- [(set (pc)
- (unspec [(match_operand:SI 0 "register_operand" "c")]
- UNSPEC_EH_RETURN))]
+ [(unspec_volatile [(match_operand:SI 0 "register_operand" "c")]
+ UNSPECV_EH_RETURN)]
"!TARGET_64BIT"
"#"
"reload_completed"
"ix86_expand_epilogue (2); DONE;")
(define_insn_and_split "eh_return_di"
- [(set (pc)
- (unspec [(match_operand:DI 0 "register_operand" "c")]
- UNSPEC_EH_RETURN))]
+ [(unspec_volatile [(match_operand:DI 0 "register_operand" "c")]
+ UNSPECV_EH_RETURN)]
"TARGET_64BIT"
"#"
"reload_completed"
return false;
}
- if (GET_CODE (insn) == JUMP_INSN
- && GET_CODE (PATTERN (insn)) == RESX
- && XINT (PATTERN (insn), 0) > 0)
- return can_throw_internal_1 (XINT (PATTERN (insn), 0));
-
/* Every insn that might throw has an EH_REGION note. */
note = find_reg_note (insn, REG_EH_REGION, NULL_RTX);
if (!note || INTVAL (XEXP (note, 0)) <= 0)